You should just need a standard magnum boltface, so it your donor gun is a 7mm Rem Mag or a 300WM you are good to go. If not then Midway or Brownell's will have the proper head for you. I believe they both have the mag-boxes too.
As the title states I wanna build a ultramag repeater, my question is: If I all I have is a long action, where or how can I go about opening up the action to accept the ultramag rounds? I will also need bolt head and magazine assembly, but where would I find them?
You should just need a standard magnum boltface, so it your donor gun is a 7mm Rem Mag or a 300WM you are good to go. If not then Midway or Brownell's will have the proper head for you. I believe they both have the mag-boxes too.
204, 22 K-Hornet, 222, 223, 22-250, 22-250AI, 6BR, 243, 243AI, 6-06, 6-WSM, 250-3000AI, 270, 7-08, 7RM, 30BR, 308, 30-06, 375 H&H, 444 Marlin, 450BM, 458WM
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